4880020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 11225088

約数和(自身を除く): 6345068

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 463, 527, 620, 926, 1054, 1852, 2108, 2315, 2635, 4630, 5270, 7871, 9260, 10540, 14353, 15742, 28706, 31484, 39355, 57412, 71765, 78710, 143530, 157420, 244001, 287060, 488002, 976004, 1220005, 2440010, 4880020]

約数ペア:

[(1, 4880020), (2, 2440010), (4, 1220005), (5, 976004), (10, 488002), (17, 287060), (20, 244001), (31, 157420), (34, 143530), (62, 78710), (68, 71765), (85, 57412), (124, 39355), (155, 31484), (170, 28706), (310, 15742), (340, 14353), (463, 10540), (527, 9260), (620, 7871), (926, 5270), (1054, 4630), (1852, 2635), (2108, 2315)]